package router

import (
	"CHATROOM/service"
	"fmt"
	"net/http"

	"github.com/gin-gonic/gin"
)

var r *gin.Engine

func init() {
	fmt.Println("router init")
	r = gin.Default()
	r.Use(Cors()) //允许跨域
}

func init_router() {
	// 用户登录
	r.POST("/login", service.Login)
	r.GET("/ws", service.WebsocketMessage)
}

func Http_start() {
	// 初始化路由
	init_router()

	r.Run(":9527")
}

// 允许跨域
func Cors() gin.HandlerFunc {
	return func(c *gin.Context) {
		method := c.Request.Method
		c.Header("Access-Control-Allow-Origin", "*")
		c.Header("Access-Control-Allow-Headers", "Content-Type,AccessToken,X-CSRF-Token, Authorization, Token")
		c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS")
		c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Content-Type")
		c.Header("Access-Control-Allow-Credentials", "true")

		//放行所有OPTIONS方法
		if method == "OPTIONS" {
			c.AbortWithStatus(http.StatusNoContent)
		}
		// 处理请求
		c.Next()
	}
}
